JPH0822645B2 - Interlocking lock mechanism for casters in beds, etc. - Google Patents
Interlocking lock mechanism for casters in beds, etc.Info
- Publication number
- JPH0822645B2 JPH0822645B2 JP3278678A JP27867891A JPH0822645B2 JP H0822645 B2 JPH0822645 B2 JP H0822645B2 JP 3278678 A JP3278678 A JP 3278678A JP 27867891 A JP27867891 A JP 27867891A JP H0822645 B2 JPH0822645 B2 JP H0822645B2
- Authority
- JP
- Japan
- Prior art keywords
- caster
- lock mechanism
- operating
- casters
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は、操作性の向上を図った
ベッド等におけるキャスタの連動ロック機構に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interlocking lock mechanism for casters in a bed or the like with improved operability.
【０００２】[0002]
【従来の技術】例えば、ベッド等の脚部に取り付けられ
る移動用のキャスタは、ロック機構を具備するものが多
い。すなわち、このロック機構の構成としては、車輪に
当接して車輪をロックさせる制動片と、この制動片を車
輪に押圧する作動棒と、この作動棒を押圧作動させるた
めのカム部材とを有し、このカム部材の回動軸に踏み込
み式操作手段を取り付けて踏み込み操作によりロック作
動を行う機能のものである。2. Description of the Related Art For example, many casters for movement, which are attached to the legs of a bed or the like, have a lock mechanism. That is, the structure of the lock mechanism includes a braking piece that abuts on the wheel to lock the wheel, an operating rod that presses the braking piece against the wheel, and a cam member that presses the operating rod. A function of attaching a stepping operation means to the rotating shaft of the cam member and performing a lock operation by the stepping operation.
【０００３】[0003]
【発明が解決しようとする課題】かかるロック機構で
は、カム部材の回動軸を所定量回動させて、作動棒を押
圧作動させなければ、車輪をロックさせることはでき
ず、そのためにある程度の踏み込み操作量が必要であ
り、操作によって踏み込み式操作手段が車輪が接する床
面にぶつからないように踏み込み式操作手段の設置位置
を考慮しなければならない。また、全てのキャスタをロ
ックするためには、それぞれの踏み込み式操作手段を操
作しなくてはならず、操作性に問題があり大変な手間
と、労力となっている。本発明は前記した課題に鑑みて
なされたものであって、操作性の向上を図ったベッド等
におけるキャスタの連動ロック機構を提供することを目
的とする。In such a lock mechanism, the wheels cannot be locked unless the rotation shaft of the cam member is rotated by a predetermined amount to press the operation rod, and for that reason, to a certain extent. The amount of stepping operation is required, and the installation position of the stepping operation means must be taken into consideration so that the operation does not cause the stepping operation means to hit the floor surface with which the wheels are in contact. Further, in order to lock all casters, it is necessary to operate each of the stepping-down type operation means, which causes a problem in operability, which is a great labor and labor. The present invention has been made in view of the above problems, and an object of the present invention is to provide an interlocking lock mechanism for casters in a bed or the like, which has improved operability.
【０００４】[0004]
【課題を解決するための手段】前記した課題を解決する
ために、本発明は、ベッド等のベースフレームに装着
し、車輪に接触する制動片と、この制動片を車輪に押圧
するための作動棒と、作動棒をばね力に抗して押圧する
ためのカム部材と、カム部材を回動させるための回動軸
を有するロック機構を備えたベッド等のキャスタにおい
て、それぞれのキャスタのロック機構における回動軸に
増速機構を接続すると共に、前記回動軸に作動腕を取り
付けてこれら作動腕を連動可能に連結し、前記増速機構
は、回動軸を中心として回動変位する偏心カムと、この
偏心カムに一端部が係合して回動変位力を伝達するため
の揺動腕とを有し、ベースフレームの一方側のキャスタ
における増速機構の揺動腕に踏み込み式操作手段を接続
して、踏み込み式操作手段の操作力を増速機構を介して
キャスタの回動軸に与え、作動腕を介して他方のキャス
タのロック機構を連動操作する構成としたことを特徴と
するものである。In order to solve the above-mentioned problems, the present invention is mounted on a base frame of a bed or the like.
The brake piece that comes into contact with the wheel and press this brake piece against the wheel.
And the actuation rod for pushing against the spring force
Member for rotation and a rotation shaft for rotating the cam member
In casters such as bed having a locking mechanism having, in the rotation shaft of the locking mechanism of each caster
Connect the speed increasing mechanism and attach the operating arm to the rotary shaft.
By attaching these operating arms so that they can be interlocked,
Is an eccentric cam that pivotally displaces around the pivot axis, and
One end is engaged with the eccentric cam to transmit the rotational displacement force.
Casters on one side of the base frame
Stepping operation means is connected to the swing arm of the speed-up mechanism in
Then, the operating force of the treadle type operation means is
The present invention is characterized in that the lock mechanism of the other caster is interlocked with the rotary shaft of the caster via the actuating arm .
【０００５】[0005]
【作用】本発明におけるキャスタのロック操作機構によ
れば、踏み込み式操作手段の踏み込み量を増速機構によ
りロック機構を作動させるに充分な回動軸の回動量に増
幅変換することができ、また、踏み込み式操作手段を操
作することにより、作動腕を変位させて、全てのキャス
タをロックすることができるので、操作性が格段に向上
する。According to the caster lock operating mechanism of the present invention, the stepping amount of the stepping type operating means can be amplified and converted into the turning amount of the turning shaft sufficient for operating the lock mechanism by the speed increasing mechanism. By operating the stepping operation means, the actuating arm can be displaced and all casters can be locked, so that the operability is significantly improved.
【０００６】[0006]
【実施例】次に、本発明にかかるベッド等におけるキャ
スタの連動ロック機構について、一実施例を挙げ、添付
の図面を参照しながら以下説明する。図１において、参
照符号１はベッド等におけるキャスタの連動ロック機構
が適用されたベッド等のベースフレームを示し、このベ
ースフレーム１の長手方向両端側にはキャスタ２が取り
付けられる。このキャスタ２には、図示はしないが、車
輪に接触する制動片と、この制動片を車輪に押圧するた
めの作動棒と、作動棒をばね力に抗して押圧するための
カム部材と、カム部材を回動させるための回動軸とによ
って構成されたロック機構が内蔵されている。また、ベ
ースフレーム１には、前述のキャスタ２のロック機構を
連動操作するための連動ロック機構３が設けられてい
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A caster interlocking mechanism for a bed or the like according to the present invention will be described below with reference to the accompanying drawings. In FIG. 1, reference numeral 1 denotes a base frame of a bed or the like to which an interlocking lock mechanism of casters in a bed or the like is applied, and casters 2 are attached to both longitudinal ends of the base frame 1. Although not shown in the figure, the caster 2 is a car.
The braking piece that comes into contact with the wheel and the braking piece that is pressed against the wheel
Actuating rod for pressing the actuating rod against the spring force.
By the cam member and the rotating shaft for rotating the cam member,
It has a built-in lock mechanism. Also,
The lock mechanism of the caster 2 described above is attached to the base frame 1.
An interlocking lock mechanism 3 for interlocking operation is provided.
It
【０００７】そこで、連動ロック機構３を説明すると、
それぞれのキャスタ２のロック機構における回動軸（後
述）に、回動力を伝達するように増速機構４を接続する
と共に、前記回動軸に作動腕５を取り付けて、ベースフ
レーム１両端側のキャスタ２の作動腕５同士を連動可能
に連動杆６によって連結し、ベースフレーム１の一方側
のキャスタ２における増速機構４に、踏み込み操作力を
与えるための踏み込み式操作手段７を接続して、踏み込
み式操作手段７の操作力を増速機構４を介してキャスタ
２の回動軸に与え、作動腕５を介して他方側のキャスタ
２のロック機構を連動操作する構成としている。 Then, the interlocking lock mechanism 3 will be described.
The rotating shaft (rear
In the above), connect the speed increasing mechanism 4 so as to transmit the turning force.
At the same time, the operating arm 5 is attached to the rotary shaft to
The operating arms 5 of the casters 2 on both sides of the ram 1 can be interlocked
To one side of the base frame 1
Stepping operation force is applied to the speed increasing mechanism 4 of the caster 2 of
Connect the foot-operated operation means 7 for giving,
The operating force of the manual operating means 7 is applied to the caster via the speed increasing mechanism 4.
And the caster on the other side via the operating arm 5.
It is configured to operate the lock mechanism of No. 2 in conjunction.
【０００８】前記増速機構４は、図２に示すように、キ
ャスタ２のロック機構を構成する回動軸８を中心として
回動変位する偏心カム９と、この偏心カム９に一端部が
係合して回動変位力を伝達するための揺動腕１０とを有
している。前記偏心カム９は先端部に、揺動腕１０の一
端部と係合する係合凹部１１を有し、前記揺動腕１０の
一端部には前記係合凹部１１に係合する係動ピン１２が
突設されている。以上のような構成の増速機構４におい
て、揺動腕１０の長手方向は、偏心カム９の回動半径に
比較して大きい寸法を有している。 As shown in FIG. 2, the speed increasing mechanism 4 has a key
Centering on the rotary shaft 8 that constitutes the lock mechanism of the caster 2.
The eccentric cam 9 that is rotationally displaced and one end of the eccentric cam 9
It has a swing arm 10 for engaging and transmitting the rotational displacement force.
are doing. The eccentric cam 9 is attached to the tip end of the swing arm 10.
The swing arm 10 has an engaging recess 11 that engages with an end of the swing arm 10.
An engaging pin 12 that engages with the engaging recess 11 is provided at one end.
It is projected. The speed increasing mechanism 4 having the above structure
The longitudinal direction of the swing arm 10 is set to the turning radius of the eccentric cam 9.
It has large dimensions in comparison.
【０００９】前記踏み込み式操作手段７は前記揺動腕１
１の他端部に連結した操作レバー１４とこの操作レバー
１４を連結する踏み込みステップ１５とを有するもので
ある。前記踏み込みステップ１５を踏み込むことによっ
て、揺動腕１１を変位させるとともに、係動ピン１３を
介して偏心カム１０を回動軸４を中心として回動変位さ
せてロック機構３はロック動作を行う構造である(図
３、図４参照)。The stepping operation means 7 is the swing arm 1
It has an operating lever 14 connected to the other end of No. 1 and a stepping step 15 connecting the operating lever 14. By depressing the stepping step 15, the rocking arm 11 is displaced, and the eccentric cam 10 is pivotally displaced about the pivot shaft 4 via the engaging pin 13 to lock the lock mechanism 3. (See FIGS. 3 and 4).
【００１０】本発明にかかるキャスタ連動ロック機構５
は以上のように構成されるものであり、次に、この作用
を説明する。キャスタ２のロック操作をすべく、踏み込
み式操作手段７の踏み込みステップ１５を踏み込むこと
によって踏み込み操作を行うと、揺動腕１１は変位し、
係動ピン１３を介して偏心カム１０が回動軸４を中心と
して回動変位し、回動軸４は所定角度回転してロック機
構３がロック動作を行ってキャスタ２はロックする。作
動腕８は回動軸４の回転によって変位し、この変位は連
動杆９によって伝達され、全てのキャスタ２はロックさ
れる(図５参照)。Caster interlocking lock mechanism 5 according to the present invention
Is configured as described above. Next, this operation will be described. When the stepping operation is performed by stepping on the stepping step 15 of the stepping operation means 7 in order to lock the caster 2, the swing arm 11 is displaced,
The eccentric cam 10 is rotationally displaced about the rotary shaft 4 via the engaging pin 13, the rotary shaft 4 rotates by a predetermined angle, and the lock mechanism 3 performs the lock operation to lock the caster 2. The operating arm 8 is displaced by the rotation of the rotary shaft 4, and this displacement is transmitted by the interlocking rod 9 so that all the casters 2 are locked (see FIG. 5).
【００１１】前記ロック操作の際、踏み込みステップ１
５の変位によって、揺動腕１１は変位するわけだが、揺
動腕１１の回動半径は、偏心カム１０のそれと比較して
大であるため、偏心カム１０は揺動腕１１の回動角より
大きく回動する。従って、踏み込みステップ１５は小さ
な操作量で、回動軸４はロック機構３をロックするに十
分な回動量を得ることができる。During the lock operation, step 1
Although the swing arm 11 is displaced by the displacement of 5, the swing radius of the swing arm 11 is larger than that of the eccentric cam 10, so that the eccentric cam 10 changes the swing angle of the swing arm 11. Rotate more. Therefore, the stepping step 15 can obtain a sufficient amount of rotation for the rotation shaft 4 to lock the lock mechanism 3 with a small amount of operation.
【００１２】このように、キャスタ２のロック機構３を
踏み込み式操作手段７の踏み込みステップ１５の小さな
操作量が、増速機構６を構成する揺動腕１１および偏心
カム１０によって、変位量が拡大されて回動軸４はロッ
ク機構３をロックするに十分な回動量を得ることができ
るので、操作が容易となる。また、全てのキャスタ２に
回動軸４の回動を伝達することができる構成となってい
るので、いちいち、キャスタ２のロック操作を個々に行
なう必要はなく、手間がかからず、操作性が格段に向上
する。As described above, a small amount of operation in the step 15 of depressing the lock mechanism 3 of the caster 2 by the depressing operation means 7 is increased by the swing arm 11 and the eccentric cam 10 which constitute the speed increasing mechanism 6. As a result, the rotation shaft 4 can obtain a sufficient rotation amount to lock the lock mechanism 3, so that the operation becomes easy. Further, since the rotation of the rotation shaft 4 can be transmitted to all the casters 2, it is not necessary to individually lock the casters 2, so that it does not require any labor and operability. Is greatly improved.
【００１３】以上、キャスタ連動ロック機構５の一実施
例を挙げて説明したが、増速機構６は、長短の回動腕を
長孔を介して連結構成し、長い方の回動腕を踏み込み式
操作手段７の踏み込みステップ１５に接続し、短い方の
回動腕をキャスタ２の回動軸４に接続したものも考える
ことができる。The caster interlocking lock mechanism 5 has been described above by way of example, but the speed increasing mechanism 6 has long and short rotary arms connected through a long hole, and the longer rotary arm is depressed. It is also conceivable that the rotary operation arm 7 is connected to the stepping step 15 and the shorter rotary arm is connected to the rotary shaft 4 of the caster 2.
【００１４】[0014]
【発明の効果】以上の通り、本発明によれば、増速機構
により操作量が拡大されてキャスタのロック、ロック解
除ができるから省力化が可能である。また、全てのキャ
スタが連動して同時にロックが可能な構成なので、いち
いち、キャスタのロック操作を個々に行なう必要はな
く、操作性が格段に向上する。As described above, according to the present invention, the operation amount is expanded by the speed increasing mechanism and the casters can be locked and unlocked, so that the labor can be saved. Further, since all casters are interlocked and can be locked at the same time, it is not necessary to individually lock the casters individually, and operability is significantly improved.
【００１５】[0015]
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明にかかるベッド等におけるキャスタの連
動ロック機構を適用したベッド等のベースフレームの一
実施例を示す概略斜視説明図である。FIG. 1 is a schematic perspective explanatory view showing an embodiment of a base frame of a bed or the like to which an interlocking lock mechanism of casters in the bed or the like according to the present invention is applied.
【図２】図１に示すキャスタ連動ロック機構の一例を示
す要部拡大斜視説明図である。FIG. 2 is an enlarged perspective explanatory view of an essential part showing an example of the caster interlocking lock mechanism shown in FIG.
【図３】図１に示すキャスタの連動ロック機構の一例を
示す一側面図である。3 is a side view showing an example of an interlocking lock mechanism of the caster shown in FIG. 1. FIG.
【図４】図１に示すキャスタの連動ロック機構の一例を
示す他方向からの側面図である。4 is a side view from another direction showing an example of the interlocking lock mechanism of the caster shown in FIG. 1. FIG.
【図５】本発明にかかるベッド等におけるキャスタの連
動ロック機構の作用を説明する図である。FIG. 5 is a view for explaining the action of the interlocking lock mechanism of casters in the bed and the like according to the present invention.
１ 連動ロック機構 ２ キャスタ ３ ロック機構 ４ 回動軸 ５ キャスタ連動ロック
機構 ６ 増速機構 ７ 踏み込み式操作手段 ８ 作動腕 ９ 連動杆 １０ 偏心カム １１ 揺動腕 １２ 係合凹部 １３ 係動ピン １４ 操作レバー １５ 踏み込みステップ1 interlocking lock mechanism 2 caster 3 locking mechanism 4 rotary shaft 5 caster interlocking lock mechanism 6 speed increasing mechanism 7 stepping operation means 8 operating arm 9 interlocking rod 10 eccentric cam 11 swinging arm 12 engaging recess 13 engaging pin 14 operation Lever 15 stepping step
Claims (1)
車輪に接触する制動片と、この制動片を車輪に押圧する
ための作動棒と、作動棒をばね力に抗して押圧するため
のカム部材と、カム部材を回動させるための回動軸を有
するロック機構を備えたベッド等のキャスタにおいて、
それぞれのキャスタのロック機構における回動軸に増速
機構を接続すると共に、前記回動軸に作動腕を取り付け
てこれら作動腕を連動可能に連結し、前記増速機構は、
回動軸を中心として回動変位する偏心カムと、この偏心
カムに一端部が係合して回動変位力を伝達するための揺
動腕とを有し、ベースフレームの一方側のキャスタにお
ける増速機構の揺動腕に踏み込み式操作手段を接続し
て、踏み込み式操作手段の操作力を増速機構を介してキ
ャスタの回動軸に与え、作動腕を介して他方のキャスタ
のロック機構を連動操作する構成としたことを特徴とす
るベッド等におけるキャスタの連動ロック機構。1. Attached to a base frame such as a bed,
Brake piece that contacts the wheel and press this brake piece to the wheel
Actuating rod for pressing and pushing the actuating rod against the spring force
It has a cam member and a rotation shaft for rotating the cam member.
In casters such as beds equipped with a locking mechanism that
Acceleration on the rotation axis in the lock mechanism of each caster
Connect the mechanism and attach the operating arm to the rotating shaft
These operating arms are linked so that they can be interlocked, and the speed increasing mechanism is
An eccentric cam that rotates and displaces around a rotation axis, and this eccentricity
One end of the cam engages with the cam to swing to transmit the rotational displacement force.
It has a moving arm and is attached to the caster on one side of the base frame.
Connect the stepping operation means to the swinging arm of the speed increasing mechanism.
The operating force of the treadle-type operating means via the speed increasing mechanism.
The caster on the rotation axis of the caster and the other caster via the operating arm.
Interlocking the locking mechanism of the caster in the bed or the like, characterized in that the configuration of the lock mechanism interlocked operation and the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3278678A JPH0822645B2 (en) | 1991-09-30 | 1991-09-30 | Interlocking lock mechanism for casters in beds, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3278678A JPH0822645B2 (en) | 1991-09-30 | 1991-09-30 | Interlocking lock mechanism for casters in beds, etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0640203A JPH0640203A (en) | 1994-02-15 |
| JPH0822645B2 true JPH0822645B2 (en) | 1996-03-06 |
Family
ID=17600648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3278678A Expired - Fee Related JPH0822645B2 (en) | 1991-09-30 | 1991-09-30 | Interlocking lock mechanism for casters in beds, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0822645B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002538045A (en) * | 1999-03-05 | 2002-11-12 | ヒル−ロム，インコーポレイティド | Casters and braking systems |
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|---|---|---|---|---|
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| KR100785364B1 (en) | 2001-05-22 | 2007-12-18 | 유니챰 가부시키가이샤 | Interlabial pad and package thereof |
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| EP1407745B1 (en) | 2001-05-22 | 2010-01-13 | Uni-Charm Corporation | Interlabial pad |
| CN1682674A (en) | 2001-05-22 | 2005-10-19 | 尤妮佳股份有限公司 | Interlabial pad |
| KR100801942B1 (en) | 2001-05-22 | 2008-02-12 | 유니챰 가부시키가이샤 | Interlabial pad |
| CA2446009A1 (en) | 2001-05-22 | 2002-11-28 | Uni-Charm Corporation | Interlabial pad and package |
| JP4201164B2 (en) * | 2002-08-28 | 2008-12-24 | マーキスベッド株式会社 | bed |
| JP4566522B2 (en) | 2002-08-30 | 2010-10-20 | ユニ・チャーム株式会社 | Absorber manufacturing equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5761858A (en) * | 1980-09-30 | 1982-04-14 | Meidensha Electric Mfg Co Ltd | Reduction apparatus |
| JPH01269669A (en) * | 1988-04-19 | 1989-10-27 | Otsuka Chem Co Ltd | Damper device for supporting structure for transferring heavy article |
| JPH0257403A (en) * | 1988-08-19 | 1990-02-27 | Paramaunto Bed Kk | Operating mechanism of caster for bed or the like |
-
1991
- 1991-09-30 JP JP3278678A patent/JPH0822645B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002538045A (en) * | 1999-03-05 | 2002-11-12 | ヒル−ロム，インコーポレイティド | Casters and braking systems |
| JP4986326B2 (en) * | 1999-03-05 | 2012-07-25 | ヒル−ロム，インコーポレイティド | Casters and braking systems |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640203A (en) | 1994-02-15 |
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